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CVE

CVE-2025-55228

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX all

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

HIGH · CVSS 7.8 EPSS 0.00059
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416Use After Free
▤

Affected Products & Versions

8
microsoft windows 10 21h2< 10.0.19044.6332
microsoft windows 10 22h2< 10.0.19045.6332
microsoft windows 11 22h2< 10.0.22621.5909
microsoft windows 11 23h2< 10.0.22631.5909
microsoft windows 11 24h2< 10.0.26100.6508
microsoft windows server 2022< 10.0.20348.4106
microsoft windows server 2022 23h2< 10.0.25398.1849
microsoft windows server 2025< 10.0.26100.6508
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Sep 2025 · 05:16 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2025-55228Remote Code Execution
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